diff --git a/ml_dtypes/tests/custom_float_test.py b/ml_dtypes/tests/custom_float_test.py
index a69c09a4..6437e4d3 100644
--- a/ml_dtypes/tests/custom_float_test.py
+++ b/ml_dtypes/tests/custom_float_test.py
@@ -881,6 +881,7 @@ def testBinaryPredicateUfunc(self, float_type):
             op(x, y), op(x.astype(np.float32), y.astype(np.float32))
         )
 
+  @ignore_warning(category=RuntimeWarning, message="invalid value encountered")
   def testPredicateUfunc(self, float_type):
     for op in [np.isfinite, np.isinf, np.isnan, np.signbit, np.logical_not]:
       with self.subTest(op.__name__):